Here's a few: Gold, Titanium, Zicronium, Cement, and Soda Ash.
Answer:
3 and 4
Explanation:
Why?
4 has no value nor distance record such as km, m, miles, etc.
This is the same as 3.
A reef than surrounds a volcanic island is an : Atoll
Atoll usually takes shapes in a form of ring that surround the areas of volcanic island that consist of corals. It usually only exist in warm waters, so volcanic islands will provide perfect environment for the corals
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We would have more money in our pockets.
It created jobs for the US and increased employment and incomes as well and also lowered prices